package org.kuan.lab.base.entity;

import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

/**
 * Project: erp<br>
 * Description: 实体惟一标识类，其它实体继承<br>
 * Copyright (c) 2012<br>
 * All Rights Reserved.<br>
 * @author <a href="mailto:gly420@163.com">GuanLuYong</a><br>
 */
@MappedSuperclass
public class IdEntity {
	@Id
//	@GeneratedValue(strategy = GenerationType.AUTO)
//    @Id 
//    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="ALL-SEQ")
//    @SequenceGenerator(name="ALL-SEQ", sequenceName="ALL-SEQ", allocationSize=1)
	@Column(name = "ID", nullable = false, updatable = false)
	protected Long id;

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((id == null) ? 0 : id.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		IdEntity other = (IdEntity) obj;
		if (id == null) {
			if (other.id != null)
				return false;
		} else if (!id.equals(other.id))
			return false;
		return true;
	}
}
